The union of an egg and a sperm produces ________________?

Related Mcqs:

1. In gamete development, the fact that each mature egg or sperm contains only one chromosome from each pair is attributable to a process known as ______________?

   A. fertilization B. immunization C. reduction division D. zygotic division...

2. At the moment of conception, when a male’s sperm fertilizes the female’s egg’ the single cell that is formed is called the:

   A. Blastula B. Embryo C. Fetus D. Zygote...

3. A human Sperm cell contains:

   A. 46 genes B. 46 pair of genes C. 23 genes D. 23 chromosomes...

4. Diana Baumrind found that which parenting style produces the most well-adjusted children?

   A. Authoritative B. Authoritarian C. Permissive D. Attached...

5. Which parenting style usually produces children with greatest confidence and self-esteem?

   A. permissive B. Authoritarian C. authoritative D. rejecting-neglecting...

6. Which schedule of reinforcement produces the greatest resistance to extinction?

   A. fixed ratio B. fixed interval C. variable ratio D. variable interval...

7. A disease believed to be caused because of cell death in a brain area that produces dopamine:

   A. Alzheimer’s disease B. Drug abuse C. Epilepsy D. Parkinson’s disease...

8. One of the followings produces higher levels of secretions during periods of rapid growth and sexual maturation and in stress situations such as cold hunger:

   A. Thyroid gland B. Pancreas C. Parathyroids D. Adrenals...

9. Excessive thyroxine produces a condition called:

   A. Gigantism B. Dwarfism C. Graves’ disease D. Cretinism...

10. A disease believed to be caused because of cell death in a brain area that produces dopamine:

    A. Alzheimer’s disease B. Drug abuse C. Epilepsy D. Parkinson’s disease...